Color

#3b2fa7

#3b2fa7
hex#3b2fa7
rgbrgb(59, 47, 167)
hslhsl(246, 56%, 42%)
oklchoklch(0.404 0.183 278.9)
Closest name: Bluebell (#333399)Relative luminance 0.0575

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#9ba72f

#2f5fa7 · #772fa7

#a73b2f · #2fa73b

Split-complementary

Open in tool →

#a7772f · #5fa72f

#a72f5f · #9ba72f · #2fa777

Contrast

#3b2fa7 as textRatioAAAA largeAAAFix
Aaon white
9.76:1passpasspassPasses AAA — no fix needed.
Aaon black
2.15:1failfailfail
  • AA: use #7368d4 as the text (4.66:1)
  • AAA: use #948cde as the text (7.07:1)
  • AA: or shift the background to #b0b0b0 (4.5:1)
  • AAA: or shift the background to #dbdbdb (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b2fa7 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3b2fa7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b2fa7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3b2fa7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b2fa7-a59cc4-dfa74e-271f2d-e9ecf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md